# Key Concepts

- [Get to know the main features](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/overview.md): Learn everything you need to know about the main features and concepts of Umbraco Commerce.
- [Base Currency](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/base-currency.md): Base Currency for standardized reporting in Umbraco Commerce.
- [Bulk Actions](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/bulk-actions.md): Perform bulk operations on entities in Umbraco Commerce.
- [Calculators](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/calculators.md): Performing calculations with Calculators in Umbraco Commerce.
- [Dependency Injection](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/dependency-injection.md): Minimizing dependencies via dependency injection with Umbraco Commerce.
- [Discount Rules / Rewards](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/discount-rules-and-rewards.md): Define when a Discount should apply and what should be the Reward in Umbraco Commerce.
- [Events](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/events.md): Listening for changes within Umbraco Commerce.
- [List of validation events](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/events/list-of-validation-events.md): Hooking into validation events within Umbraco Commerce.
- [List of notification events](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/events/list-of-notification-events.md): Hooking into notification events within Umbraco Commerce.
- [Fluent API](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/fluent-api.md): Faster development thanks to the Fluent API of Umbraco Commerce.
- [Order Calculation State](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/order-calculation-state.md): Calculation context in Umbraco Commerce.
- [Payment Forms](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/payment-forms.md): Preparing to enter a Payment Providers payment gateway in Umbraco Commerce.
- [Payment Providers](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/payment-providers.md): Accepting payments via Payment Providers in Umbraco Commerce.
- [Pipelines](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/pipelines.md): Performing sequential tasks with Pipelines in Umbraco Commerce.
- [Price/Amount Adjustments](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/price-amount-adjustments.md): Learn about adjusting prices in Umbraco Commerce.
- [Price Freezing](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/price-freezing.md): Freezing prices for shopping carts in Umbraco Commerce.
- [Product Adapters](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/product-adapters.md): Converting product sources into understandable products for Umbraco Commerce.
- [Product Bundles](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/product-bundles.md): Creating bundles of products with Umbraco Commerce.
- [Product Variants](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/product-variants.md): Creating product variants with Umbraco Commerce.
- [Complex Variants](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/product-variants/complex-variants.md): Creating complex variants with Umbraco Commerce.
- [Properties](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/properties.md): Order and Order Line metadata in Umbraco Commerce.
- [ReadOnly and Writable Entities](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/readonly-and-writable-entities.md): Great performance and simplified change tracking using ReadOnly and Writable entities in Umbraco Commerce.
- [Search Specifications](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/search-specifications.md): Learn more about the flexible search functionaities in Umbraco Commerce.
- [Settings Objects](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/settings-objects.md): Strongly typed Settings objects in Umbraco Commerce.
- [Shipping Package Factories](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/shipping-package-factories.md): Creating Order Packages in Umbraco Commerce.
- [Shipping Providers](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/shipping-providers.md): Realtime shipping features via Shipping Providers in Umbraco Commerce.
- [Shipping Range/Rate Providers](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/shipping-range-and-rate-providers.md): Dynamic shipping rate providers in Umbraco Commerce.
- [Tax Sources](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/tax-sources.md): Identifying the source of taxation of an Order within Umbraco Commerce.
- [UI Config Files](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/ui-config-files.md): Customizing the UI in Umbraco Commerce.
- [Umbraco Properties](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/umbraco-properties.md): Key Umbraco node properties used by Umbraco Commerce.
- [Unit of Work](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/unit-of-work.md): Transactional updates using the Unit of Work pattern in Umbraco Commerce.
- [Umbraco Commerce Builder](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/umbraco-commerce-builder.md): Learn more about the different options for configured Umbraco Commerce.
- [Webhooks](https://docs.umbraco.com/umbraco-commerce/13.latest/key-concepts/webhooks.md): Webhook configuration in Umbraco Commerce.


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